Swingline ClassicCut Trimmer CL320, High Performance, 18" Blade, Up To 15 Sheets, Gray & Oak. A clean cut every time! Self-sharpening stainless steel blade cuts everything from tissue to heavy matte board. Safety spring washers secure handle in any position to prevent accidental falling. Features finger-guard rail and blade latch hook lock for added safety. Alignment grid and ruler for accuracy. Wood composite and metal base. Non-slip rubber feet prevent slipping.